I'm afraid Aero stuff are pretty poor sellers, but thats just my hunch and I have nothing to back it up. I'd love a Sternensturm or Morgenstern but I'm not holding my breath.
I know some people complained about the two resculpts in the last round, but really, only a 1/3 of the field was resculpts while we got four (well six if you count all the APC's together) new sculpts. I don't mind that kind of balance honestly. And having painting a Highlander and anxiously waiting for the Flashman, I think they were both good choices to help.